A39 or A-39 may refer to: *

Tortoise heavy assault tank The Tortoise heavy assault tank (A39) was a British heavy assault gun design developed during the Second World War, but never put into mass production. It was developed for the task of clearing heavily fortified areas such as the Siegfried Li ...

, a British experimental tank in World War 2 * The FAA identifier for

Ak-Chin Regional Airport Ak-Chin Regional Airport (previously "Phoenix Regional Airport") is a privately owned public-use airport located south east of the CBD of Phoenix, in Pinal County, Arizona, United States. Facilities and aircraft Ak-Chin Regional Airport ...

Roads

A39 highway (Australia) Goulburn Valley Highway is a highway located in Victoria, Australia. The section north of the Hume Freeway is part of the Melbourne to Brisbane National Highway (together with Hume Freeway) and is the main link between these two cities as well ...

, a road in Victoria designated A39/B340 * A39 motorway (France), a road connecting Dijon with Dole and Bourg en Bresse *

A 39 motorway (Germany) is an autobahn in northern Germany. It currently connects the cities of Salzgitter, Braunschweig and Wolfsburg, with a planned extension to Lüneburg. The A 39 begins north of Wolfsburg and ends at the A 7 close to Salzgitter. It cr ...

, a road connecting Salzgitter, Wolfsburg and Braunschweig * A39 road (England) and also: *

English Opening The English Opening is a chess opening that begins with the move: :1. c4 A flank opening, it is the fourth most popular and, according to various databases, one of the four most successful of White's twenty possible first moves. White begins th ...

, Encyclopaedia of Chess Openings code {{Letter-NumberCombDisambig